Curl is not building in OSX10.14 and Xcode 10

[grimepoch]

The version of curl being pointed to in the Makefiles is not compiling, and it seems to be some incompatibility with Xcode and curl, not sure where the mistake is.

The recommendation was to move up to curl-7.56 which I changed the dep Makefile to:

libcurl = curl-7.56.1

Rebuilt and that compiled with no problem.

This is what the error looked like, in case anyone searches for this:

connect.c:1086:12: error: 'connectx' is only available on macOS 10.11 or newer
      [-Werror,-Wunguarded-availability]
      rc = connectx(sockfd, &endpoints, SAE_ASSOCID_ANY,
           ^~~~~~~~
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/sys/socket.h:718:5: note:
      'connectx' has been explicitly marked partial here
int connectx(int, const sa_endpoints_t *, sae_associd_t, unsigned int,
    ^
connect.c:1086:12: note: enclose 'connectx' in a __builtin_available check to silence this
      warning
      rc = connectx(sockfd, &endpoints, SAE_ASSOCID_ANY,
           ^~~~~~~~
1 error generated.
make[2]: *** [libcurl_la-connect.lo] Error 1
make[1]: *** [all] Error 2
make: *** [all-recursive] Error 1